Two Awesome Benefits of Having a Protein Shake For Breakfast

Need another reason to drink a protein shake at breakfast? Leading research shows having a protein shake for breakfast can help you sleep better whilst also losing weight.

Purdue University researchers studied cross-sectional analyses of adults with some interesting results. They found that a higher daily protein intake is associated with improved sleep patterns. More specifically, adults who ate more protein daily got to sleep earlier and had fewer waking episodes during sleep.

protein shake for breakfastProtein Shake for Breakfast

As the initial observations show that protein intake may be related to more restful sleep, the researchers delved further. They wanted to investigate the link between higher-protein intakes and the affects on overweight and obese adults during weight loss. A pair of randomized controlled trials were set up. The results suggest that subjects who consumed more protein (1.5 grams per kilogram) had better sleep, compared to those who had a lower intake (0.8 grams per kilogram) during weight loss.

From the pilot trials, they gathered that a high-protein meal itself didn’t immediately make people sleepy. But it may affect overall satiety during the day. Drawing on animal research aswell, the researchers also infer that the higher-protein intake led to higher circulating plasma amino acids. This could affect the synthesis of brain neurotransmitters needed for restful sleep.

Protein Shake Results

In American Journal of Clinical Nutrition’ authors summarised their findings:  “The results from these two randomized controlled diet studies indicate the middle-aged and older overweight and moderately obese adults may improve sleep by maintaining higher-protein intakes when dieting to lose weight,”

Those findings contributed to another area of interest by Purdue researchers on how a high-protein breakfast could affect appetite regulation. There have been few actual controlled studies looking at a potential causal role of breakfast in controlling appetite. However earlier observational work has established a strong, consistent relationship between eating in the morning and a lower body weight.

“There is accumulating evidence supporting the consumption of increased dietary protein and fiber content at breakfast, as well as the consumption of more energy during the morning hours,” wrote nutrition and exercise researcher Heather Leidy, an associate professor at Purdue, with her colleagues from University of Missouri in Advances in Nutrition.

The latest developments are that the research group has designed clinical trials exploring the potential effects of a high-protein breakfast on appetite and sleep. One of the new studies compared the effects of a high-protein breakfast (30 grams of protein) in either a solid or beverage form (as a whey-based protein shake) to that of skipping breakfast in young adults.

While the full extent of their findings are not yet published, Dr. Leidy and her students shared preliminary data from the research last April at the American Society for Nutrition annual meeting at the Experimental Biology conference in Chicago. They reported that the high-protein breakfasts both in solid and beverage form did have a positive impact on satiety and sleep efficiency – a combination of total sleep time, efficiency, and perceived sleep quality.

The research is important because people generally consume less protein for breakfast as compared to lunch and dinner. The morning hours are considered an opportunity for shifting dietary habits in a way that could have a lasting impact on weight loss.

Overall, scientific evidence continues to suggest that getting more protein at breakfast, even in the form of a beverage shake, could be key to having more restful sleep when in a calorie deficit. The positive effects may have to do with a higher amount of protein having an effect on overall brain chemistry, appetite regulation, and satiety.

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